How much of a financial burden would acne treatment be?

I'm looking into various things to get acne treatment.

It seems like the cost tends to be a bit on the expensive side if you receive treatment over multiple sessions.

If there are any procedures or acne treatments that are affordable yet effective for maintenance,

Can you give me a recommendation?

First of all, regarding my skin condition, I don't have a lot of acne, but when the seasons change, my skin becomes sensitive or

I tend to get bumpy uneven skin or small pimples.

My skin isn't usually prone to breakouts, so I need multiple sessions or a powerful effect?

It wasn't that bad, so I thought it would be fine if I got acne treatment.

Aside from occasional fatigue due to seasonal factors, I only get sensitive during the change of seasons.